CVE-2015-3900
RubyGems 2.0.x before 2.0.16, 2.2.x before 2.2.4, and 2.4.x before 2.4.7 does not validate the hostname when fetching gems or making API requests, which allows remote attackers to redirect requests to arbitrary domains via a crafted DNS SRV record, aka a "DNS hijack attack."
02 / AFFECTED SOFTWARE
Affected packages
26 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
RubyGems 2.0.x before 2.0.16, 2.2.x before 2.2.4, and 2.4.x before 2.4.7 does not validate the hostname when fetching gems or making API requests, which allows remote attackers to redirect requests to arbitrary domains via a crafted DNS SRV record, aka a "DNS hijack attack."
RubyGems 2.0.x before 2.0.16, 2.2.x before 2.2.4, and 2.4.x before 2.4.7 does not validate the hostname when fetching gems or making API requests, which allows remote attackers to redirect requests to arbitrary domains via a crafted DNS SRV record, aka a "DNS hijack attack."
05 / REFERENCES
Further evidence
- http://blog.rubygems.org/2015/05/14/CVE-2015-3900.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163502.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163600.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/164236.html
- http://rhn.redhat.com/errata/RHSA-2015-1657.html
- http://www.openwall.com/lists/oss-security/2015/06/26/2
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
- http://www.securityfocus.com/bid/75482
- https://puppet.com/security/cve/CVE-2015-3900
- https://www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-007/?fid=6356
- https://www.trustwave.com/Resources/SpiderLabs-Blog/Attacking-Ruby-Gem-Security-with-CVE-2015-3900/
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rubygems-update/CVE-2015-3900.yml
- https://nvd.nist.gov/vuln/detail/CVE-2015-3900
- https://web.archive.org/web/20170331091241/https://puppet.com/security/cve/CVE-2015-3900
- https://web.archive.org/web/20200228055155/http://www.securityfocus.com/bid/75482
- https://www.trustwave.com/Resources/SpiderLabs-Blog/Attacking-Ruby-Gem-Security-with-CVE-2015-3900